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Call Sign : 26CT2340 Posts : 3 Times Thanked : 0 Join date : 2019-06-27 QTH or Location : Edenbridge, Kent Equipment Used : CRT 9900 President Grant 2 Harrier CBX IMAX2000 Age : 46
Subject: Insulating Antenna Thu Aug 22, 2019 1:07 pm
I have a Thunderpole 1/2 Wave silver rod. Had to take it down at the weekend due to a family barbecue (and the missus moaning! ). It's secured with jubilee clips but as I took it apart, it was full of water. What's the best method to stop this from happening? Electrical insulation tape round the joins? I have a cap at the top but water seems to getting through. Cheers in advance!
Toobad New Member
Call Sign : 26CT3000/G0NMC Posts : 32 Times Thanked : 3 Join date : 2019-06-27 QTH or Location : Hereford Equipment Used : Yaesu FT-DX3000, Heil PR40, Imax 2000, 80m Delta Loop, GAP Titan
Subject: Re: Insulating Antenna Thu Aug 22, 2019 5:01 pm
Self-amalgamating tape would be better than stock insulating tape. Wind it over the joints from the bottom end towards the top so water runs over the overlaps rather than into them.
HamletPete New Member
Call Sign : 26CT2340 Posts : 3 Times Thanked : 0 Join date : 2019-06-27 QTH or Location : Edenbridge, Kent Equipment Used : CRT 9900 President Grant 2 Harrier CBX IMAX2000 Age : 46
Subject: Re: Insulating Antenna Thu Aug 22, 2019 5:41 pm
Lovely, thank you very much
26TC62 Senior contributor
Call Sign : 26TC62, 26CT2817 Posts : 141 Times Thanked : 29 Join date : 2019-06-27 QTH or Location : Portsmouth Equipment Used : Yaesu 891, 10m pole, wire 5/8, T2LT
Subject: Re: Insulating Antenna Thu Aug 22, 2019 10:40 pm
Many years ago I had a 5/8 taped from top to bottom. When it eventually snapped (after 20+ years in a very exposed position), I was amazed on taking the tape off to find the aluminium had corroded from the inside. It must have been condensation because the surface under tape was still fine.
stephen Gunrunner Major contributor
Call Sign : 26CT526/MR021/M6XXX. Posts : 275 Times Thanked : 10 Join date : 2019-06-27 QTH or Location : wooler north northumberland or some were near it Equipment Used : mobile 4000hp base A99 radio base magnum257hp mobile magnum 257 standed power Age : 67
Subject: Re: Insulating Antenna Sun Aug 25, 2019 9:27 am
I put my silver rod up on Thursday and all the joints are double wraped and new coax and new pl259s and it put to the blue marks swr is great from 26mhz upto 28.5 MHz and is working great, but yesterday with 30+ of propagation very hard to sort out and with my dx5000 as the base radio. it was good to be home based again but its only for wet cold nights as still like been away in the hills for the contacts,
Yesterday at 11:23 pm by Mr T
Subject: Insulating Antenna 
). It's secured with jubilee clips but as I took it apart, it was full of water. What's the best method to stop this from happening? Electrical insulation tape round the joins? I have a cap at the top but water seems to getting through. Cheers in advance! 
